Home / 1,457,439-2,186,438.72-558,810.65

Finding the Fourth Proportional to 1,457,439, 2,186,438.72 and 558,810.65

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Solution

The fourth proportional to 1,457,439, 2,186,438.72 and 558,810.65 is: 838,323.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457,439 : 2,186,438.72 = 558,810.65 : x
  2. Step 2: Convert to fraction form
    1,457,439/2,186,438.72 = 558,810.65/x
  3. Step 3: Cross multiply
    1,457,439x = 2,186,438.72 × 558,810.65
  4. Step 4: Simplify right side
    1,457,439x = 1,221,805,228,582.12
  5. Step 5: Solve for x
    x = 1,221,805,228,582.12/1,457,439
  6. Step 6: Final answer
    x = 838,323.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.